M16CSLASH5M datasheet(33/159 Pages) RENESAS

33 / 159 page

REJ03B0267-0101

Rev.1.01

Page 33 of 156

Jul 23, 2010

M16C/5M Group, M16C/57 Group

4. Special Function Registers (SFRs)

Notes:

The blank areas are reserved. No access is allowed.

Hardware reset, power-on reset, voltage monitor 0 reset, or voltage monitor 2 reset.

Software reset, watchdog timer reset, oscillator stop detect reset, and voltage monitor 2 reset do not affect the

following registers or bit: the VW0C register, and bits VW2C2 and VW2C3 in the VW2C register.

This is the reset value when the LVDAS bit of the OFS1 address is 1 during hardware reset

This is the reset value after voltage monitor 0 reset, power-on reset, or when the LVDAS bit of the OFS1 address is 0

during hardware reset.

This is the reset value after hardware reset, power-on reset, or voltage monitor 0 reset

Table 4.2

SFR Information (2) (1)

Address

Symbol

Reset Value

0020h

0021h

0022h

40 MHz On-Chip Oscillator Control Register 0

FRA0

XXXX XX00b

0023h

0024h

40 MHz On-Chip Oscillator Control Register 2

FRA2

0XX0 X000b

0025h

0026h

Voltage Monitor Function Select Register

VWCE

00h

0027h

0028h

Voltage Detector 2 Level Select Register

VD2LS

0000 0100b (2)

0029h

002Ah

Voltage Monitor 0 Control Register

VW0C

1100 1X10b (3, 4)

1100 1X11b (3, 5)

002Bh

002Ch

Voltage Monitor 2 Control Register

VW2C

1000 0X10b (3, 6)

002Dh

002Eh

002Fh

0030h

0031h

0032h

0033h

0034h

0035h

0036h

0037h

0038h

0039h

003Ah

003Bh

003Ch

003Dh

003Eh

003Fh

X: Undefined

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